... Flat Bar 1.Easy to Weld, 2.Easy to Cut, 3.Easy to Form, 4.Easy to Machine Steel Flat BarHot Rolled Steel Flat ... industrial maintenance, agricultural implements, transportation equipment, etc. HR A569 Steel Flat is stripped from coil and A36 is rolled as bars ... " - 3/16"), ASTM A36 (1/4" & over)Name: HR steel flat bar, steel strip, steel rectangleApplications: frame work, braces, supports, plates, straps ...